Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
237835469Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2788067594861922747372167.92016-10-12 07:53:54
History
DateUserTypeResult
2016-10-12NickF
Factor: 278806759486192274737 / TF: 67-68
2015-11-27el groccoNF
no factor from 2^66 to 2^67
2013-10-15KYOJI_KAMEINF
no factor from 2^65 to 2^66
2011-07-04Mr-PlonkNF
no factor from 2^64 to 2^65